o
    ,hh                     @   s  d dl Z d dlZd dlmZ d dlmZmZmZ d dlZd dl	m
Z
 d dlmZ d dlmZ d dlmZ dd	gZee ZZe
d
dG dd dZdejjdedefddZe
d
d				
ddedejjdeegef deeeef  dee dee defdd	ZdS )    N)OrderedDict)AnyCallableOptional)compatibility)lazy_format_graph_code)GraphModule)Node	Partitionsplit_moduleT)is_backward_compatiblec                   @   s(   e Zd ZdefddZdefddZdS )r
   namec                 C   sN   || _ d| | _g | _i | _i | _i | _i | _tjj	
 | _	i | _i | _d S )Nsubmod_)r   submod_name
node_namesinputsoutputsdependencies
dependentstorchfxgraphGraphenvironmenttargets)selfr    r   W/var/www/html/scripts/venv/lib/python3.10/site-packages/torch/fx/passes/split_module.py__init__   s   
zPartition.__init__returnc                 C   s4   d| j  d| j d| j d| j d| j d| j S )Nzname: z
,
 nodes: z,
 inputs: z,
 outputs: z,
 partitions depended on: z,
 partition dependents: )r   r   r   r   r   r   )r   r   r   r   __repr__    s   
zPartition.__repr__N)__name__
__module____qualname__strr   r    r   r   r   r   r
      s    modqualnamer   c                 C   s<   | }| dD ]}t||std| dt||}q|S )N.zNode target z not found!)splithasattrAttributeErrorgetattr)r%   r&   attr_valatomr   r   r   _get_attr_from_qualname+   s   
r.   Fmroot_msplit_callbackqualname_mapkeep_original_orderkeep_original_node_namekeep_original_input_namec           8   
      sT
  t dtddd dtdtttf dtttjjj	f ffdd	}d
dl
}i i i dtdtt ffddfdd}	tjjtjjtjjg}
t }t }i }d}t }jjD ]ԉ		jd }durt|tjtjfrt|jj }|jr|vr	|jj< 	jdv rq`|		 	jdkr	j|
v r	jtjjkrt	j dksJ t	j d
 t!sJ 	}t	h||< nR	jtjjkrt"dd 	j D sJ |#	 t	h|	< d|	< n,	jtjjkrt	j dksJ |	j d
  #	 |$	j d
  	|	j d
 < |dur%|| #	 |D ]}|| #	 q'q`t"dd |% D sEJ ddd |& D }dd |& D }t'(t)j*rjt'd| t'd| t!|prt!|}d}jjD ]a			j+< 	jd v rqy	jd!krtjj,	j d
 fd"d# qy|r	}||ksJ d$| d%| |}	j|
vrtjj,	j 	fd&d# tjj,	j-	fd'd# qyt./ }g }& D ]\}tj0s|1| qg }|r%|2 }|1| | j3D ]}| j02| | j0s |1| q|st|tkr2t4d(||fD ]R}|& D ]J\	}t|d
ksIJ 	t|d
  j5	< |dd D ]*}t| jj6	j	jt7d)d 	j D i 	j8d*}	j9 |_|j5	< qZq<q6|D ]e}| i d
j:D ]S } fd+d,}!| jd-krt| jtsJ t;| j}"t|"tj<j=rԈj>| j}#|"j?| j< n|! }#n|! }# j9 |#_|#j5 < q_:qjjD ]	t@	d.r~	jA j5tjj,	j fd/d#}$tjj,	j-fd0d#}%	jd1vr)	j}&n$t;	j}'	jBd2d3}&|'j?|&< |durMjC d2|& }(	j||(< t|$t7sUJ t|%ts]J rc	j+nd})jj6	j|&|$|%	j8|)d4}	j9 |_|j5	< q|fD ]M}tD|D ]E	|	 }t|d
ksJ |dd D ].}t| |	 }*|*dusJ d5jj6|*j|*jj5	 fi |*j8d*}|*j9 |_qqqi 
i  tjjE i }+|sjjD ]	|	 |+\ }+qnjjD ]		
	j+< q|s|n|},t }-d6d7 jjD |,D ]}| t7fd8djFD }.t|.}/|/dkr8jG|.d
  n|/dkrDjG|. njGd9 |r
fd:d7j:D }0D ]		|-v rcqZ|	 |+\ }1|-#	 qZ|0D ]		|-v r}qt|	 |+\ }+|-#	 qttjj	j?j|+jC< HjCt7 fd;dj:D }2tjF}3|3dkrtjjIJ|2}4tKjFD ]\}5}6|4|5 j |6< qq|3dkr|2 tLtMjF< q|r sjjD ]	|	 |+\ }+qjjD ]		jd!krGtjj,	j d
  fd<d# qtjj	|+}7t dtd=|7dd |7S )>a  
    Creates subgraphs out of main graph

    Args:
        m (GraphModule): Graph module to split
        root_m (torch.nn.Module): root nn module. Not currently used. Included
            because the root nn module is usually transformed via
            torch.fx._symbolic_trace.symbolic_trace (see example below)
        split_callback (Callable[[Node], int]): Callable function
            that maps a given Node instance to a numeric partition identifier.
            split_module will use this function as the policy for which operations
            appear in which partitions in the output Module.
        qualname_map: Optional[Dict[str, str]]: optional output parameter that returns a
            mapping from new target names in the module after split to old target
            names in the original module.
        keep_original_order: Optional[bool]: keep the original order of the GraphModule
            or use the Topological order of the new constructed GraphModule
        keep_original_node_name: Optional[bool]: If the partitioned graphs should
            have the same node names as the original graph.
        keep_original_input_name: bool: If the partitioned graphs should
            have the same input names as the original graph.

    Returns:
        GraphModule: the module after split.

    Example:

        This is a sample setup:

            import torch
            from torch.fx.symbolic_trace import symbolic_trace
            from torch.fx.graph_module import GraphModule
            from torch.fx.node import Node
            from torch.fx.passes.split_module import split_module

            class MyModule(torch.nn.Module):
                def __init__(self) -> None:
                    super().__init__()
                    self.param = torch.nn.Parameter(torch.rand(3, 4))
                    self.linear = torch.nn.Linear(4, 5)

                def forward(self, x, y):
                    z = self.linear(x + self.param).clamp(min=0.0, max=1.0)
                    w = self.linear(y).clamp(min=0.0, max=1.0)
                    return z + w

            # symbolically trace model
            my_module = MyModule()
            my_module_traced = symbolic_trace(my_module)

            # random mod partitioning
            partition_counter = 0
            NPARTITIONS = 3

            def mod_partition(node: Node):
                global partition_counter
                partition = partition_counter % NPARTITIONS
                partition_counter = (partition_counter + 1) % NPARTITIONS
                return partition

            # split module in module with submodules
            module_with_submodules = split_module(
                my_module_traced, my_module, mod_partition
            )

        Output looks like this. Original graph is broken into partitions

            > print(module_with_submodules)
            GraphModule(
                (submod_0): GraphModule(
                    (linear): Linear(in_features=4, out_features=5, bias=True)
                )
                (submod_1): GraphModule(
                    (linear): Linear(in_features=4, out_features=5, bias=True)
                )
                (submod_2): GraphModule()
            )

            def forward(self, x, y):
                param = self.param
                submod_0 = self.submod_0(x, param, y);  x = param = y = None
                getitem = submod_0[0]
                getitem_1 = submod_0[1];  submod_0 = None
                submod_1 = self.submod_1(getitem, getitem_1);  getitem = getitem_1 = None
                getitem_2 = submod_1[0]
                getitem_3 = submod_1[1];  submod_1 = None
                submod_2 = self.submod_2(getitem_2, getitem_3);  getitem_2 = getitem_3 = None
                return submod_2

        Output of split module is the same as output of input traced module.
        This is an example within a test setting:

            > orig_out = my_module_traced(x, y)
            > submodules_out = module_with_submodules(x, y)
            > self.assertEqual(orig_out, submodules_out)
            True
    z%szpre split_moduleT)colorednodebase_mod_envbase_mod_attrsc                    s   | j dkrKt| jdkr| jd ntjj}r1|tjju rdn|f} jd| j|| jd|| j< n j	| j
| j|d|| j< | j || j _||fS | j dkru | j
|| j< | j || j _t| j
tsjJ t| j
}||| j
< ||fS )Nplaceholderr   r   )args	type_expr)r<   default_valueget_attr)oplenr;   inspect	Signatureemptycreate_noder   typer:   targetmetacopyr>   
isinstancer$   r.   )r7   r8   r9   r=   r;   r,   )base_mod_graphr4   r/   r   r   construct_graph   s4   


z%split_module.<locals>.construct_graphr   Ndef_nodeuse_nodec                    sF  ddl m} t| dd }t|dd }td| j||d ur|jnd| ||kr|d ur@ | }|j| j |d ur@|j| |d ur | }|j	| j | j
d }d urt||tdD ]/}| }	|j	|	j | jdkrt|	dd }
|
d ur |
 }|j|	j |j| qa|d ur|j| d S d S d S d S )	Nr   )free_symbols_fx_partitionz*record_cross_partition_use %s (%s) %s (%s)-example_value)keyr:   )%torch.fx.experimental.symbolic_shapesrN   r+   logdebugr   r   
setdefaultr   r   rG   getsortedr$   r?   r   )rL   rM   rN   defineduseddef_partitionuse_partitiondef_valss_node	s_defineds_def_partition)
partitionssymbol_to_noder   r   record_cross_partition_use   sF   	z0split_module.<locals>.record_cross_partition_usec                    sV   t | }td| j|  |}|d u rt|  |< }|j| j || _d S )Nz*instantiate_node_partition_mapping %s (%s))	r$   rT   rU   r   rW   r
   r   appendrO   )r7   partition_name	partition)rb   r1   r   r   "instantiate_node_partition_mapping   s   

z8split_module.<locals>.instantiate_node_partition_mappingrQ   )r:   r>   outputcall_function   c                 s   s    | ]	}t |t V  qd S N)rI   r	   .0argr   r   r   	<genexpr>D  s    zsplit_module.<locals>.<genexpr>c                 s   s    | ]}|d uV  qd S rl   r   )rn   vr   r   r   rp   T      zautocast must exitc                 S      i | ]	\}}|t |qS r   rX   rn   krq   r   r   r   
<dictcomp>V      z split_module.<locals>.<dictcomp>c                 S   rs   r   rt   ru   r   r   r   rw   W  rx   zautocast_regions: %szgrad_regions: %s)r:   r>   ri   c                    s
    | d S rl   r   n)rd   r   r   <lambda>j     
 zsplit_module.<locals>.<lambda>zRautocast or set_grad_enabled require monotonically increasing partitions:highest: z, this node's: c                    
   |  S rl   r   rL   r7   rd   r   r   r|   z  r}   c                    r~   rl   r   r   r   r   r   r|   }  r}   z cycle exists between partitions!c                 s   s    | ]}|V  qd S rl   r   rm   r   r   r   rp     s    )r?   rF   r;   kwargsr<   c                     s>   r} n	d  }  d7  j j|  jd}d < |S )Narg_rk   )r<   )r   r:   rE   )r   r:   )counterinpr5   
new_inputs
orig_nodesrg   r   r   add_placeholder  s   
z%split_module.<locals>.add_placeholderr>   rO   c                        |  S rl   r   rz   r   r   r   r|         c                    r   rl   r   rz   r   r   r   r|     r   )call_moduler>   r'   _)r?   rF   r;   r   r<   r   zMissing exit nodec                 S   s   g | ]	}|j d kr|qS )r:   )r?   )rn   r7   r   r   r   
<listcomp>)  rx   z split_module.<locals>.<listcomp>c                 3   s    | ]
}j  |  V  qd S rl   r   rn   r   )r   rg   r   r   rp   /  s    
r   c                    s   g | ]
}|vr | qS r   r   )rn   rR   )orig_mod_envoriginal_orderr   r   r   ?  s
    c                 3   s    | ]} | V  qd S rl   r   r   r8   r   r   rp   ]  rr   c                    s
    | j  S rl   )r   rz   r   r   r   r|   w  r}   zpost split_module)NrT   rU   r   r	   dictr$   r   r   graph_moduler   sympyr   amp_enter_autocast_exit_autocast_C_set_grad_enabledr   setr   nodesrG   rW   rI   SymIntSymFloatr7   exprSymbolr?   rF   r@   r;   boolalladdremovevaluesitems_LOGGERisEnabledForloggingDEBUGr   map_argr   listkeysr   re   popr   RuntimeErrorr   rD   tuplerE   rH   r   r.   nnModuler>   r   r)   rO   replacer   reversedr   r   ri   r   proxyProxy	enumeratenextiter)8r/   r0   r1   r2   r3   r4   r5   rK   r   rh   GLOBAL_STATE_NODESgrad_regionsautocast_regionsautocast_exitsactive_gradactive_autocastsvals0aassert_monotonically_increasinghighest_partitionpidoriginal_partition_orderroot_partitionsrf   sorted_partitionsroot_partition	dependentregions_mappingregionsrnew_node	orig_noder   	orig_attrr:   gathered_argsgathered_kwargsrF   target_attrr&   r   	exit_noder9   construct_order_partitionsalready_constructed_attr_nodesoutput_valsnum_output_valsorig_mod_attr_nodes_based_mod_attrs
output_valnum_outputsoutput_val_proxyioutput_nameretr   )r8   rJ   r   r   r   r5   r4   r/   r   r7   r   r   r   rg   rb   rd   r1   rc   r   r   5   s$  l
"0
		



 
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


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
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

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

	







)NFFT)rA   r   collectionsr   typingr   r   r   r   torch.fx._compatibilityr   torch.fx._utilsr   torch.fx.graph_moduler   torch.fx.noder	   __all__	getLoggerr!   rT   r   r
   r   r   r$   r.   intr   r   r   r   r   r   r   <module>   sD   
